The Smart Electric Scalp Massager is the perfect choice for those looking to relieve stress and promote relaxation while enjoying the benefits of a deep, thorough scalp massage. This handheld portable head massager can be used anywhere and everywhere due to its cordless, rechargeable, and waterproof design. The massager can also be used on any part of your body, imitating human fingers and giving you a relaxing massage that relieves tension and promotes relaxation. -DEEP SCALP MASSAGER: The smart electric scalp massager has four massage heads with 21 individual nodes that perfectly fit the scalp. -MULTIPLE SETTINGS: The hand-held head massager has 4-mode settings for options, including low speed (Clockwise and anticlockwise movement) and high speed (Clockwise and anticlockwise movement). -PORTABLE, RECHARGEABLE, WATERPROOF & SKIN-FRIENDLY. Material: Silicon+ABS Size：3.7in x 3.7in x 4.9in Color: White Voltage: 110V/220V Voltage/current: DC 5V/1A Power: 5W Weight: 14.2oz.